linux-ext4 - Re: [PATCH 3/4] ext4: use more strict checks for inodes_per

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Message-ID: <20161118203046.GB100623@google.com>
Date:   Fri, 18 Nov 2016 12:30:46 -0800
From:   Eric Biggers <ebiggers@...gle.com>
To:     Theodore Ts'o <tytso@....edu>
Cc:     Ext4 Developers List <linux-ext4@...r.kernel.org>, kernel@...p.com,
        bp@...en8.de, stable@...r.kernel.org
Subject: Re: [PATCH 3/4] ext4: use more strict checks for inodes_per_block on
 mount

On Fri, Nov 18, 2016 at 01:38:41PM -0500, Theodore Ts'o wrote:
> Centralize the checks for inodes_per_block and be more strict to make
> sure the inodes_per_block_group can't end up being zero.

Nit: this should say 's_inodes_per_group', not 'inodes_per_block_group'.
> 
> +	    sbi->s_inodes_per_group > blocksize * 8) {
> +		ext4_msg(sb, KERN_ERR, "invalid inodes per group: %lu\n",
> +			 sbi->s_blocks_per_group);
> +		goto failed_mount;
> +	}

Should print out s_inodes_per_group, not s_blocks_per_group.

Eric
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